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Description: The future risks of global warming and limited petroleum supply stimulate the production and usage of bioethanol. Lignocellulosic materials, which are relatively cheap renewable sources, are considered as the main source of feedstocks for low-cost bioethanol production. However, they are naturally resistant to enzymatic and microbial attacks and a pretreatment stage is necessary prior to hydrolysis and fermentation to ethanol. Dissolution of lignocelluloses in cellulosic solvents and regeneration using an anti-solvent can increase cellulose accessibility by disrupting highly ordered hydrogen bonds in crystalline network. Phosphoric acid is an ideal solvent which can dissolve cellulose at modest conditions without inhibitory effects for subsequent hydrolysis and fermentation stages. Also, it is a non-corrosive, nontoxic, and inexpensive chemical compared to other inorganic acids. The current work was undertaken to assess the phosphoric acid pretreatment for subsequent conversion of aspen wood to ethanol. The wood was pretreated with concentrated phosphoric acid (50

Keywords: Waste management wood, Pretreatment, Bioethanol, M. hiemalis
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Citation: Goshadrou, A., K. Karimi, and M. Lefsrud. 2013. Enhanced NSSF for ethanol production by phosphoric acid pretreatment. CSBE/SCGAB 2013 Annual Conference, University of Saskatchewan, Saskatoon, SK, 7-10 July 2013.
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Date: 2013-07-07
Technical field: Renewable Energy
Conference name: CSBE/SCGAB 2013 Annual Conference, University of Saskatchewan, Saskatoon, SK, 7-10 July 2013.
Session name: Poster

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Publication type: Poster
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Coverage: Canada
Language 1: en
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Rights: Canadian Society for Bioengineering
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